Senven-Léhart (French pronunciation: [sɛ̃vɛ̃ leaʁ]; Breton: Senven-Lehard) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.

It is about 16 km south of Ploumagoar.

The chapel of Saint-Tugdual dates from the 16th century, and the village Calvary dates from the 17th century and is a scheduled monument.

Inhabitants of Senven-Léhart are called senvennois in French.

This Côtes-d'Armor geographical article is a stub.